diff --git a/en/application-dev/reference/apis/js-apis-Bundle.md b/en/application-dev/reference/apis/js-apis-Bundle.md
index c116f901789c4a0fd1898d28bb7e8fd69a1b38fc..db930ccbe8cc14f368b9e16d29b556074e981482 100644
--- a/en/application-dev/reference/apis/js-apis-Bundle.md
+++ b/en/application-dev/reference/apis/js-apis-Bundle.md
@@ -904,7 +904,7 @@ bundle.getAllApplicationInfo(bundleFlags, userId, (err, data) => {
 
 > This API is deprecated since API version 9. You are advised to use [bundleManager.getAllApplicationInfo](js-apis-bundleManager.md#bundlemanagergetallapplicationinfo) instead.
 
-getAllApplicationInfo(bundleFlags: number, callback: AsyncCallback<Array\<ApplicationInfo>>) : void;
+getAllApplicationInfo(bundleFlags: number, callback: AsyncCallback\<Array\<ApplicationInfo\>\>): void;
 
 Obtains the information about all applications of the current user. This API uses an asynchronous callback to return the result.
 
diff --git a/en/application-dev/reference/apis/js-apis-bundleManager.md b/en/application-dev/reference/apis/js-apis-bundleManager.md
index 7962d8ae77ab77dc1bba0d72b4418d3da2f867a2..a4d1dab714b0b5f632b020d0b57d6c788b48d8b7 100644
--- a/en/application-dev/reference/apis/js-apis-bundleManager.md
+++ b/en/application-dev/reference/apis/js-apis-bundleManager.md
@@ -113,6 +113,7 @@ Enumerates the types of Extension abilities.
 | THUMBNAIL        | 13  | ThumbnailExtensionAbility: provides thumbnails for files. This ability is reserved.|
 | PREVIEW          | 14  | PreviewExtensionAbility: provides APIs for file preview so that other applications can be embedded and displayed in the current application. This ability is reserved.|
 | PRINT<sup>10+</sup> | 15 | PrintExtensionAbility: provides APIs for printing images. Printing documents is not supported yet.|
+| PUSH<sup>10+</sup> | 17 | **PushExtensionAbility**: provides APIs for pushing scenario-specific messages. This ability is reserved.|
 | DRIVER<sup>10+</sup> | 18 | DriverExtensionAbility: provides APIs for the peripheral driver. This type of ability is not supported yet.|
 | UNSPECIFIED      | 255 | No type is specified. It is used together with **queryExtensionAbilityInfo** to query all types of Extension abilities.|
 
diff --git a/en/application-dev/reference/apis/js-apis-zlib.md b/en/application-dev/reference/apis/js-apis-zlib.md
index 96eacdacfb44cc7dc157f640fae81be96df42da1..05a99a8f76cf5195fed45d270945b9dc0aa8f25a 100644
--- a/en/application-dev/reference/apis/js-apis-zlib.md
+++ b/en/application-dev/reference/apis/js-apis-zlib.md
@@ -142,6 +142,7 @@ Compresses a file. This API uses an asynchronous callback to return the result.
 **Error codes**
 
 For details about the error codes, see [zlib Error Codes](../errorcodes/errorcode-zlib.md).
+
 | ID| Error Message                              |
 | -------- | --------------------------------------|
 | 900001   | The input source file is invalid.      |